noun🔗Share质粒， 环状DNA。 A loop of double-stranded DNA that is separate from and replicates independently of the chromosomes, most commonly found in bacteria, but also in archaeans and eukaryotic cells, and used in genetic engineering as a vector for gene transfer."Scientists used a plasmid to insert a new gene into the bacteria, allowing them to produce a more effective antibiotic. "科学家们利用质粒将一个新基因插入细菌体内，使这些细菌能够产生更有效的抗生素。biologybiochemistrymicroorganismmedicinesciencetechnologyChat with AIVocabulary GamePractice Reading
